Relatives of the victims of the Morandi bridge collapse, cry during a remembrance ceremony to mark the first anniversary of the tragedy, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Italian Premier Giuseppe Conte embraces a relative of a victim of the Morandi bridge collapse, during a remembrance ceremony to mark the first anniversary of the tragedy, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Relatives of the victims of the Morandi bridge collapse, attend a remembrance ceremony to mark the first anniversary of the tragedy, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Relatives of the victims of the Morandi bridge collapse, attend a remembrance ceremony to mark the first anniversary of the tragedy, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. On the shirt at right is portrayed one of the victim with the writing "Why?". (AP Photo/Antonio Calanni)

Italian President Sergio Mattarella and Premier Giuseppe Conte attend a remembrance ceremony to mark the first anniversary of the Morandi bridge collapse, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Italian Premier Giuseppe Conte attend a remembrance ceremony to mark the first anniversary of the Morandi bridge collapse, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Italian Premier Giuseppe Conte shakes hands with Interior Minister Matteo Salvini as they attend a remembrance ceremony to mark the first anniversary of the Morandi bridge collapse, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Italian Premier Giuseppe Conte shakes hands with Interior Minister Matteo Salvini as they attend a remembrance ceremony to mark the first anniversary of the Morandi bridge collapse, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Relatives of the victims of the Morandi bridge collapse, attend a remembrance ceremony to mark the first anniversary of the tragedy, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Italian Premier Giuseppe Conte arrives to attend a remembrance ceremony to mark the first anniversary of the Morandi bridge collapse, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Relatives of the victims of the Morandi bridge collapse, embrace during a remembrance ceremony to mark the first anniversary of the tragedy, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

A pin worn by a relative of one the victims of the Morandi bridge collapse, is framed by the red uniform of one of the rescuers that worked that day, during a remembrance ceremony to mark the first anniversary of the tragedy, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Italian Interior Minister Matteo Salvini attends a remembrance ceremony to mark the first anniversary of the Morandi bridge collapse, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Italian Interior Minister Matteo Salvini greets a relative of a victim of the Morandi bridge collapse, during a remembrance ceremony to mark the first anniversary of the tragedy, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Relatives of the victims of the Morandi bridge collapse, embrace during a remembrance ceremony to mark the first anniversary of the tragedy, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

The flag of Genoa flies next to one of the new pillars being built, during a remembrance ceremony to mark the first anniversary of the Morandi bridge collapse, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

A relative of one of the victims leaves flowers on one of the pillars of the new bridge being built, during a remembrance ceremony to mark the first anniversary of the Morandi bridge collapse, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

Flowers were left along the course of the Polcevera bridge during a remembrance ceremony to mark the first anniversary of the Morandi bridge collapse, in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)

People that did not take part in the ceremony to mark the first anniversary of the Morandi bridge collapse, stage their own commemoration on the bridge on the Polcevera river in Genoa, Italy, Wednesday, Aug. 14, 2019. The Morandi bridge was a road viaduct on the A10 motorway in Genoa, that collapsed one year ago killing 43 people. (AP Photo/Antonio Calanni)